The best replacement for tinder is grindr.

The best alternatives to tinder are rated as following:
★★★★★  grindr
★★★★  pof
★★★  okcupid
★★★  match
★★★  blendr
★★★  hinge
★★  zoosk
★★  tender
★★  skout
★★  kindling
★  pure
★  swipe
★  badoo
★  swoon
  bang with friends
  plenty of fish
  coffee meets bagel
  paktor
  twine

Your alternative for tinder is not listed? Suggest!
Speaking about tinder, one probably shouldn't forget about facebook friends.

Other search terms related to tinder and their ratings are:
★★★★★ facebook friends
You have in mind a companion for tinder and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of tinder in all years. Click on graph for more.
tinder
grindr
pof